Add cache to .gitignore, and migrate to 'archive.org/compress' for zip URLs

.gitignore

@@ -1,3 +1,4 @@
+application/cache/
 application/config/config.php
 application/config/database.php
 application/config/iarchive_uploader.php

application/config/migration.php

@@ -2,5 +2,5 @@
 
 $config['migration_enabled'] = TRUE;
 $config['migration_type'] = 'sequential';
-$config['migration_version'] = 4;
+$config['migration_version'] = 5;
 $config['migration_path'] = APPPATH . 'migrations/';

application/controllers/private/Iarchive_upload.php

@@ -72,7 +72,7 @@ public function upload()
 
 		//update the project
 		$update['url_iarchive'] = $config['iarchive_project_page'] . '/' . $params['project_slug'];
-		$update['zip_url'] = 'https://www.archive.org/download/' . $params['project_slug'] . '/' . $params['project_slug'] . '_64kb_mp3.zip';
+		$update['zip_url'] = 'https://archive.org/compress/' . $params['project_slug'] . '/formats=64KBPS MP3&file=/' . $params['project_slug'] . '.zip';
 
 		$this->project_model->update($project->id, $update);
 

application/migrations/005_fix_zip_urls_2.php

@@ -0,0 +1,18 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Migration_Fix_zip_urls_2 extends CI_Migration {
+
+        public function up()
+        {
+                $this->db->query('
+                        UPDATE projects
+                        SET zip_url = REGEXP_REPLACE(zip_url, ".*archive.org/download/(.*)/(.*)_[0-9]+kb_mp3.zip", "https://archive.org/compress/\\\1/formats=64KBPS MP3&file=/\\\2.zip")
+                        WHERE zip_url LIKE "%archive.org/download/%"
+                ');
+        }
+
+        public function down(): void
+        {}
+}